A. Garcia‐Pena, C. Macabiau, O. Julien, M. Mabilleau, P. Durel
{"title":"DME/TACAN对GNSS L5/E5a接收机的影响","authors":"A. Garcia‐Pena, C. Macabiau, O. Julien, M. Mabilleau, P. Durel","doi":"10.33012/2020.17207","DOIUrl":null,"url":null,"abstract":"GNSS L5/E5a interference environment is dominated by DME/TACAN and JTIDS/MIDS pulses causing a degradation of the effective C/N0 observed by the receiver. A time-domain blanker is implemented to mitigate their impact. RTCA DO-292 proposes a model to compute the C/N0 degradation of the received useful signal by the increase of the noise PSD. This paper focuses on the impact of DME/TACAN RFI signals. Simulated results as well as predicted results are presented for US and Europe scenarios. The predicted results are calculated from an updated C/N0 degradation formula with respect to RTCA DO292 proposed formula. The impact of GNSS receiver RFFE filter bandwidth and blanker threshold are evaluated.","PeriodicalId":315030,"journal":{"name":"Proceedings of the 2020 International Technical Meeting of The Institute of Navigation","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Impact of DME/TACAN on GNSS L5/E5a Receiver\",\"authors\":\"A. Garcia‐Pena, C. Macabiau, O. Julien, M. Mabilleau, P. Durel\",\"doi\":\"10.33012/2020.17207\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"GNSS L5/E5a interference environment is dominated by DME/TACAN and JTIDS/MIDS pulses causing a degradation of the effective C/N0 observed by the receiver. A time-domain blanker is implemented to mitigate their impact. RTCA DO-292 proposes a model to compute the C/N0 degradation of the received useful signal by the increase of the noise PSD. This paper focuses on the impact of DME/TACAN RFI signals. Simulated results as well as predicted results are presented for US and Europe scenarios. The predicted results are calculated from an updated C/N0 degradation formula with respect to RTCA DO292 proposed formula. The impact of GNSS receiver RFFE filter bandwidth and blanker threshold are evaluated.\",\"PeriodicalId\":315030,\"journal\":{\"name\":\"Proceedings of the 2020 International Technical Meeting of The Institute of Navigation\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-01-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 2020 International Technical Meeting of The Institute of Navigation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.33012/2020.17207\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 2020 International Technical Meeting of The Institute of Navigation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.33012/2020.17207","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
GNSS L5/E5a interference environment is dominated by DME/TACAN and JTIDS/MIDS pulses causing a degradation of the effective C/N0 observed by the receiver. A time-domain blanker is implemented to mitigate their impact. RTCA DO-292 proposes a model to compute the C/N0 degradation of the received useful signal by the increase of the noise PSD. This paper focuses on the impact of DME/TACAN RFI signals. Simulated results as well as predicted results are presented for US and Europe scenarios. The predicted results are calculated from an updated C/N0 degradation formula with respect to RTCA DO292 proposed formula. The impact of GNSS receiver RFFE filter bandwidth and blanker threshold are evaluated.
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